Open Access. Powered by Scholars. Published by Universities.®
- Discipline
Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Tb84: Controlling The Saratoga Spittlebug In Young Red Pine Plantations By Removal Of Alternate Hosts, J. P. Linnane, E. A. Osgood
Tb84: Controlling The Saratoga Spittlebug In Young Red Pine Plantations By Removal Of Alternate Hosts, J. P. Linnane, E. A. Osgood
Technical Bulletins
The Saratoga spittlebug, Aphrophora saratogensis (Fitch), is a major pest of young red pine (Pinus resinosa Ait. ) and jack pine (Pinus banksiana Lamb. ) plantations in the Lake States, Ontario, and more recently in the Northeast. Although insecticides are successful in controlling the Saratoga spittlebug, the biology of the insect raises the possibility of an alternative method of control. The spittlebug requires an alternate host to complete its nymphal development. The objective of this study was to investigate the feasibility of using herbicides to control nymphal host plants of the spittlebug in red pine plantations.
Tb81: Investigations On The Life History And Habits Of Pityokteines Sparsus (Coleoptera: Scolytidae), G. P. Hosking, F. B. Knight
Tb81: Investigations On The Life History And Habits Of Pityokteines Sparsus (Coleoptera: Scolytidae), G. P. Hosking, F. B. Knight
Technical Bulletins
The primary objectives of this study are (1) to investigate the life history of Pityokteines sparsus (LeConte) in the Oxbow area of northern Maine; (2) to study the seasonal and daily flight behavior of the insect; (3) to investigate the food energy relations of the species.
Tb82: The Potential Of Softwood Thinnings And Standing Dead Softwoods As A Source Of Wood Pulp, Andrew J. Chase, Harold F. Young
Tb82: The Potential Of Softwood Thinnings And Standing Dead Softwoods As A Source Of Wood Pulp, Andrew J. Chase, Harold F. Young
Technical Bulletins
This study was made to determine the potential of softwood thinnings and standing dead softwood as a source of wood pulp, employing the kraft process. In the thinning studies examined eastern white pine, eastern hemlock, balsam fir, norway spruce, red pine, eastern larch, and northern white cedar. The stem (wood and bark) and the top (wood, bark, and needles) and the stem and top combined were pulped. When compared with pulp from a commercial-size softwood species, the thinnings provided pulps of good strength that were slightly undercooked and that had significantly lower yields. The stem portion pulps were superior in …
Tb83: Insecticidal Control Of Potato Infesting Aphids In Northeastern Maine, Geddes W. Simpson, R. H. Storch
Tb83: Insecticidal Control Of Potato Infesting Aphids In Northeastern Maine, Geddes W. Simpson, R. H. Storch
Technical Bulletins
Aphid populations for the growing seasons of 1970, 1971, and 197 2 were variable. It is possible, however, to rate the efficacy of the various insecticides tested in controlling potato-infesting aphids in northeastern Maine. Soil applications of aldicarb and DS 15,647 and foliar application of acephate were the most effective materials tested. The insecticides phosmet (foliar) and phoxim (soil) did not provide much protection against potato-infesting aphids in these tests. Bayer 77,049, parathion, Penick SBP 1382, Sandoz-Wander 52,139 and Uniroyal 840 did not provide effective control of potato-infesting aphids at the rates used in these tests. All other insecticides tested …
Tb79: The Economic Impact Of Expanding The Federal Milk Order Into Northern New England, Homer Metzger, Fred Webster
Tb79: The Economic Impact Of Expanding The Federal Milk Order Into Northern New England, Homer Metzger, Fred Webster
Technical Bulletins
This study was undertaken to (1) gather data on current marketing situations including milk volume and utilization, prices paid to producers, and rates charged for hauling milk in the federal order and state order areas, and (2) to determine the economic and related impacts of expanding the Boston regional order into Northern New England. Emphasis was placed upon the expected impact on producers but implications for milk dealers and consumers also were considered. The main focus was on Maine and Vermont situations but some data were also collected on the non-federal order markets of New Hampshire and Massachusetts.